Kourtney Kardashian is adding to her brood!

The reality star, who is already mom to Mason, 4, and Penelope, 23 months, is expecting her third child with longtime love Scott Disick, multiple sources confirmed to Us Weekly.

"She is only a few months along," one source told the mag. "It was planned," another source added. "[Kourtney] wants to have a handful of kids."

The couple will welcome their new little son or daughter in December, a third insider confirms to Us. "They don't know the gender yet," the source said. "They just want the baby to be healthy."

There's no sign of a bump just yet, as Kourt and sister Khloe were spotted in the Hamptons on Tuesday -- where she kept her belly hidden in a billowy top (below).

Kourtney's baby news comes on the heels of a very busy month for the Kardashian family!

Kim Kardashian married Kanye West in a lavish European ceremony two weeks ago. Kourtney acted as a bridesmaid for her sister while Scott, who is close to Kanye, stayed by the rapper's side the entire wedding day.

Congrats to the happy couple!

Are you surprised by the baby news? Tell toofab in the comment section below, and click "Launch Gallery" above to see more expecting celebrities.

Check out the photos below to see more pics of Kourtney's cute family!


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